<template>
  <div class="dev-backtop">
    <div class="bTarget" style="height: 100vh; background: pink;overflow: scroll;">
      <div  style="height: 200vh;" />
      <bf-backtop target=".bTarget"></bf-backtop>
    </div>
    <div class="bTarget2" style="height: 100vh; background: yellow;overflow: scroll;">
      <div  style="height: 200vh;" />
      <bf-backtop target=".bTarget2" :right="118">
        <bf-icon name="elbowLeftUp"></bf-icon>
      </bf-backtop>
    </div>
    <div class="bTarget3" style="height: 100vh; background: grey;overflow: scroll;">
      <div  style="height: 200vh;" />
      <bf-backtop target=".bTarget3" :right="178">
        Top
      </bf-backtop>
    </div>
  </div>
</template>
